Question

calculate the number of moles in 64.1g of aluminium

Answer 1

Your Periodic Table will tell you that it is

27.0

⋅

g

⋅

m

o

l

−

1

...

And so we take the quotient...

64.1

⋅

g

27.0

⋅

g

⋅

m

o

l

−

1

=

2.37

⋅

m

o

l